Brothers Snot and Splash are sent to stay with their grandma for the skiing holiday. On their way they witness waste falling down from the sky. Furthermore all the people in their grandma’s town have super white teeth and strange fake smiles. The boys start to investigate and find a conspiracy. People in town are acting strangely as the local dentist has invented a hypnosis-creating dental coating system. He has also invented a technology with which you can grab any hole and use them to create a tunnel into other dimensions. The mayor is in on the conspiracy as he wants his town to be the cleanest in the world, but the waste disposal system starts to collapse and is about to swallow the whole world. The boys find a way to stop this and end up saving the town and the whole world, as they bring joy back to town. Snot and Splash is a modern, mysterious family adventure live-action film.